/// <summary>
/// Initializes a new instance of the <see cref="DistinguishedName"/> class.
/// </summary>
/// <param name="input">A pointer to a buffer that's used to initialize the object.</param>
/// <param name="length">The length of the buffer.</param>
/// <exception cref="CertificateException">Could not decode the buffer.</exception>
internal DistinguishedName(IntPtr input, int length) : this()
{
int size = 0;
SspiProvider.CryptDecodeObject(SecurityConstants.PKCS_7_ASN_ENCODING | SecurityConstants.X509_ASN_ENCODING, new IntPtr(SecurityConstants.X509_UNICODE_NAME), input, length, 0, IntPtr.Zero, ref size);
if (size <= 0)
{
throw new CertificateException("Unable to decode the name of the certificate.");
}
IntPtr buffer = Marshal.AllocHGlobal(size);
if (SspiProvider.CryptDecodeObject(SecurityConstants.PKCS_7_ASN_ENCODING | SecurityConstants.X509_ASN_ENCODING, new IntPtr(SecurityConstants.X509_UNICODE_NAME), input, length, 0, buffer, ref size) == 0)
{
throw new CertificateException("Unable to decode the name of the certificate.");
}
try {
CertificateNameInfo cni = (CertificateNameInfo)Marshal.PtrToStructure(buffer, typeof(CertificateNameInfo));
Initialize(cni);
} catch (CertificateException ce) {
throw ce;
} catch (Exception e) {
throw new CertificateException("Could not get the certificate distinguished name.", e);
} finally {
if (buffer != IntPtr.Zero)
{
Marshal.FreeHGlobal(buffer);
}
}
}
public static void TestName(TestContext ctx, BtlsX509Name actual, CertificateNameInfo expected, string label)
{
ctx.Expect(actual.GetString(), Is.EqualTo(expected.String), label + ".String");
ctx.Expect(actual.GetHash(), Is.EqualTo(expected.Hash), label + ".Hash");
ctx.Expect(actual.GetHashOld(), Is.EqualTo(expected.HashOld), label + ".HashOld");
ctx.Expect(actual.GetRawData(false), Is.EqualTo(expected.RawData), label + ".RawData");
ctx.Expect(actual.GetRawData(true), Is.EqualTo(expected.RawDataCanon), label + ".RawDataCanon");
}
/// <summary>
/// Initializes a new instance of the <see cref="DistinguishedName"/> class with a given <see cref="CertificateNameInfo"/> instance.
/// </summary>
/// <param name="cni">The CertificateNameInfo instance to initialize from.</param>
/// <exception cref="CertificateException">An error occurs while initializeing the DistinguishedName object.</exception>
private void Initialize(CertificateNameInfo cni)
{
if (cni.cRDN <= 0)
{
throw new CertificateException("Certificate does not have a subject relative distinguished name.");
}
RelativeDistinguishedName cr;
RdnAttribute cra;
for (int i = 0; i < cni.cRDN; i++)
{
cr = (RelativeDistinguishedName)Marshal.PtrToStructure(new IntPtr(cni.rgRDN.ToInt64() + i * Marshal.SizeOf(typeof(RelativeDistinguishedName))), typeof(RelativeDistinguishedName));
for (int j = 0; j < cr.cRDNAttr; j++)
{
cra = (RdnAttribute)Marshal.PtrToStructure(new IntPtr(cr.rgRDNAttr.ToInt64() + j * Marshal.SizeOf(typeof(RdnAttribute))), typeof(RdnAttribute));
m_List.Add(new NameAttribute(Marshal.PtrToStringAnsi(cra.pszObjId), Marshal.PtrToStringUni(cra.pbData)));
}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="DistinguishedName"/> class with a given <see cref="CertificateNameInfo"/> instance.
/// </summary>
/// <param name="cni">The CertificateNameInfo instance to initialize from.</param>
/// <exception cref="CertificateException">An error occurs while initializeing the DistinguishedName object.</exception>
private void Initialize(CertificateNameInfo cni) {
if (cni.cRDN <= 0)
throw new CertificateException("Certificate does not have a subject relative distinguished name.");
RelativeDistinguishedName cr;
RdnAttribute cra;
for(int i = 0; i < cni.cRDN; i++) {
cr = (RelativeDistinguishedName)Marshal.PtrToStructure(new IntPtr(cni.rgRDN.ToInt64() + i * Marshal.SizeOf(typeof(RelativeDistinguishedName))), typeof(RelativeDistinguishedName));
for(int j = 0; j < cr.cRDNAttr; j++) {
cra = (RdnAttribute)Marshal.PtrToStructure(new IntPtr(cr.rgRDNAttr.ToInt64() + j * Marshal.SizeOf(typeof(RdnAttribute))), typeof(RdnAttribute));
m_List.Add(new NameAttribute(Marshal.PtrToStringAnsi(cra.pszObjId), Marshal.PtrToStringUni(cra.pbData)));
}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="DistinguishedName"/> class.
/// </summary>
/// <param name="cni">A <see cref="CertificateNameInfo"/> instance that's used to initialize the object.</param>
internal DistinguishedName(CertificateNameInfo cni) : this() {
Initialize(cni);
}
/// <summary>
/// Initializes a new instance of the <see cref="DistinguishedName"/> class.
/// </summary>
/// <param name="cni">A <see cref="CertificateNameInfo"/> instance that's used to initialize the object.</param>
internal DistinguishedName(CertificateNameInfo cni) : this()
{
Initialize(cni);
}